Vertical is very nice for programming. But not great for other things (like putting two windows next to each other). In the past, my favorite setup was two vert

Vertical is very nice for programming. But not great for other things (like putting two windows next to each other). In the past, my favorite setup was two vertical 30" next to each other but you need a fairly large desk for that. These days I just use a 32" in landscape and it's fine.